Periodic Table Element Comparison: Compare Elements - Radium vs Chlorine

Compare Radium and Chlorine

Compare Radium and Chlorine on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Radium vs Chlorine with most reliable information about their properties, attributes, facts, uses etc. You can compare Ra vs Cl on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Name	Radium	Chlorine
Atomic Number	88	17
Atomic Symbol	Ra	Cl
Atomic Weight	226	35.453
Phase at STP	Solid	Gas
Color	Silver	Yellow
Metallic Classification	Alkaline Earth Metal	Halogens
Group in Periodic Table	group 2	group 17
Group Name	beryllium family	fluorine family
Period in Periodic Table	period 7	period 3
Block in Periodic Table	s -block	p -block
Electronic Configuration	[Rn] 7s2	[Ne] 3s2 3p5
Electronic Shell Structure (Electrons per shell)	2, 8, 18, 32, 18, 8, 2	2, 8, 7
Melting Point	973 K	171.6 K
Boiling Point	2010 K	239.11 K
CAS Number	CAS7440-14-4	CAS7782-50-5
Neighborhood Elements	Neighborhood Elements of Radium	Neighborhood Elements of Chlorine

History	The element Radium was discovered by P. and M. Curie in year 1898 in France. Radium derived its name from the Latin radius, 'ray'.	The element Chlorine was discovered by W. Scheele in year 1774 in Sweden. Chlorine derived its name from the Greek word chloros, meaning 'greenish yellow'.
Discovery	P. and M. Curie (1898)	W. Scheele (1774)
Isolated	M. Curie (1902)	W. Scheele (1774)

Abundance in Universe	- / -	1000 / 40
Abundance in Sun	- / -	8000 / 300
Abundance in Meteorites	- / -	380000 / 160000
Abundance in Earth's Crust	0.00010 / 0.00001	170000 / 100000
Abundance in Oceans	0.00000001 / 0.0000000003	19870000 / 3470000
Abundance in Humans	0.000001 / 0.00000003	1200000 / 210000

Atomic Volume	41.09 cm3/mol	22.4129 cm3/mol
Atomic Radius	-	79 pm
Covalent Radius	-	99 pm
Van der Waals Radius	283 pm	175 pm
Atomic Spectrum
Lattice Constant	514.8, 514.8, 514.8 pm	622.35, 445.61, 817.85 pm
Lattice Angle	π/2, π/2, π/2	π/2, π/2, π/2
Space Group Name	Im_ 3m	Cmca
Space Group Number	229	64
Crystal Structure	Body Centered Cubic	Base Centered Orthorhombic

Atomic Number	88	17
Number of Electrons (with no charge)	88	17
Number of Protons	88	17
Mass Number	226	35.453
Number of Neutrons	138	18
Shell structure (Electrons per energy level)	2, 8, 18, 32, 18, 8, 2	2, 8, 7
Electron Configuration	[Rn] 7s2	[Ne] 3s2 3p5
Valence Electrons	7s2	3s2 3p5
Oxidation State	2	-1, 1, 3, 5, 7
Atomic Term Symbol (Quantum Numbers)	1S0	2P3/2
Shell structure

Known Isotopes	202Ra, 203Ra, 204Ra, 205Ra, 206Ra, 207Ra, 208Ra, 209Ra, 210Ra, 211Ra, 212Ra, 213Ra, 214Ra, 215Ra, 216Ra, 217Ra, 218Ra, 219Ra, 220Ra, 221Ra, 222Ra, 223Ra, 224Ra, 225Ra, 226Ra, 227Ra, 228Ra, 229Ra, 230Ra, 231Ra, 232Ra, 233Ra, 234Ra	28Cl, 29Cl, 30Cl, 31Cl, 32Cl, 33Cl, 34Cl, 35Cl, 36Cl, 37Cl, 38Cl, 39Cl, 40Cl, 41Cl, 42Cl, 43Cl, 44Cl, 45Cl, 46Cl, 47Cl, 48Cl, 49Cl, 50Cl, 51Cl
Stable Isotopes	-	Naturally occurring stable isotopes: 35Cl, 37Cl
Neutron Cross Section	20	35.3
Neutron Mass Absorption	-	0.033

Valence or Valency	2	5
Electronegativity	0.9 Pauling Scale	3.16 Pauling Scale
Electron Affinity	-	349 kJ/mol
Ionization Energies	1st: 509.3 kJ/mol 2nd: 979 kJ/mol	1st: 1251.2 kJ/mol 2nd: 2298 kJ/mol 3rd: 3822 kJ/mol 4th: 5158.6 kJ/mol 5th: 6542 kJ/mol 6th: 9362 kJ/mol 7th: 11018 kJ/mol 8th: 33604 kJ/mol 9th: 38600 kJ/mol 10th: 43961 kJ/mol 11th: 51068 kJ/mol 12th: 57119 kJ/mol 13th: 63363 kJ/mol 14th: 72341 kJ/mol 15th: 78095 kJ/mol 16th: 352994 kJ/mol 17th: 380760 kJ/mol

Density	5 g/cm3	0.003214 g/cm3
Molar Volume	41.09 cm3/mol	22.4129 cm3/mol
Elastic Properties
Young Modulus	-	-
Shear Modulus	-	-
Bulk Modulus	-	1.1 GPa
Poisson Ratio	-	-
Hardness - Tests to Measure of Hardness of Element
Mohs Hardness	-	-
Vickers Hardness	-	-
Brinell Hardness	-	-
Electrical Properties
Electrical Conductivity	1000000 S/m	0.01 S/m
Resistivity	0.000001 m Ω	100 m Ω
Superconducting Point	-	-
Heat and Conduction Properties
Thermal Conductivity	19 W/(m K)	0.0089 W/(m K)
Thermal Expansion	-	-
Magnetic Properties
Magnetic Type	-	Diamagnetic
Curie Point	-	-
Mass Magnetic Susceptibility	-	-7.2e-9 m3/kg
Molar Magnetic Susceptibility	-	-5.11e-10 m3/mol
Volume Magnetic Susceptibility	-	-2.31e-8
Optical Properties
Refractive Index	-	1.000773
Acoustic Properties
Speed of Sound	-	206 m/s

CAS Number	CAS7440-14-4	CAS7782-50-5
RTECS Number	-	RTECSFO2100000
DOT Hazard Class	-	-
DOT Numbers	-	-
EU Number	EU231-122-4	-
NFPA Fire Rating	-	-
NFPA Hazards	-	-
NFPA Health Rating	-	-
NFPA Reactivity Rating	-	-
AutoIgnition Point	-	-
Flashpoint	-	-

Periodic Table Element Comparison: Compare Elements - Radium vs Chlorine

Compare Radium and Chlorine

Facts

History

Presence: Abundance in Nature and Around Us

Crystal Structure and Atomic Structure

Atomic and Orbital Properties

Isotopes and Nuclear Properties

Chemical Properties: Ionization Energies and electron affinity

Physical Properties

Elastic Properties

Hardness - Tests to Measure of Hardness of Element

Electrical Properties

Heat and Conduction Properties

Magnetic Properties

Optical Properties

Acoustic Properties

Thermal Properties - Enthalpies and thermodynamics

Enthalpies

Regulatory and Health - Health and Safety Parameters and Guidelines

Compare With Other Elements

Compare Radium with all Group 2 elements

Compare Radium with all Period 7 elements

Compare Radium with all Alkaline Earth Metal elements

Compare Chlorine with all Group 17 elements

Compare Chlorine with all Period 3 elements

Compare Chlorine with all Halogens elements